Dollar Tree buying Family Dollar for $8.5 billion

Dollar Tree is buying competitor Family Dollar in a cash-and-stock deal worth about $8.5 billion.

The boards of both companies unanimously approved the merger, announced Monday. The transaction is valued at $74.50a share, a nearly 23% premium over Family Dollar's closing price Friday. Family Dollar shareholders will receive $59.60 in cash and $14.90 in equivalent Dollar Tree shares.

Family Dollar CEO Howard Levine will report to Sasser. Levine's company will continue to operate under the Family Dollar name. The combined company will have more than 13,000 stores and more than $18 billion in sales.

Family Dollar has been struggling in recent months to attract customers. After announcing an expansion plan last year that included tripling its store footprint, Family Dollar backed off in April. It announced it would actually close about 370 stores after a disappointing second quarter.

In June, billionaire investor Carl Icahn, who has a 9.4% stake in Family Dollar, wrote a letter to Levine encouraging him to sell the company and replace some board members.

Levine, in a statement, said the acquisition "represents the successful culmination of a comprehensive strategic review process," his board began this past winter. "This combination will enable Family Dollar to accelerate efforts to improve the business..."

Sterne Agee analyst Chuck Grom said in a note about the acquisition that Dollar Tree's overall lower prices and better real estate locations should help improve Family Dollar's performance. Grom also raises concerns about Dollar General, which will face more intense competition now that Dollar Tree and Family Dollar are one company.

"Dollar General has clearly benefited from Family Dollar's struggles over the past decade," he said. Dollar General was considered a contender in an acquisition of Family Dollar.

Belus Capital Advisors CEO Brian Sozzi says the deal also means more competition for discount king Walmart, which has been expanding into rural and urban markets with smaller format stores.

Shares of Family Dollar, based in Charlotte, N.C., soared $15.08, or 25%, to $75.74. Shares of Dollar Tree, based in Chesapeake, Va., rose 65 cents, or 1.2%, to $54.87.